ATSAM3N2BA-MU

Overview

The ATSAM3N2BA-MU is an ARM Cortex-M3 microcontroller from the SAM3N series, manufactured by Microchip Technology. It features a 32-bit core with a maximum clock frequency of 48 MHz. The device includes 128 kB of Flash program memory and 16 kB of SRAM data RAM. It provides 47 general-purpose I/O pins and supports multiple communication interfaces including SPI, UART, and I2C. The unit operates within a temperature range of -40°C to +85°C and utilizes a QFN-64 surface-mount package.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient code execution
• Includes on-chip Flash memory for non-volatile program storage
• Supports standard serial communication protocols for peripheral connectivity

Applications

• Industrial control systems requiring low power consumption
• Consumer electronics devices with limited space constraints
• Embedded sensor nodes utilizing serial interface communication

Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability issues. Confirm package integrity upon receipt as moisture sensitivity requires proper handling. Review current lifecycle status before integration into new designs to ensure long-term supply stability.

Selection Notes

Select this model when a 48 MHz Cortex-M3 solution with 128 kB Flash is required in a compact QFN-64 form factor. Ensure system voltage requirements align with the specified operating range. Consider pin count limitations relative to application interface needs.

Part Context

This component belongs to the SAM3N family of low-power microcontrollers designed for cost-sensitive applications. It shares architectural similarities with other SAM3N variants but offers specific memory configurations tailored for embedded control tasks. The QFN-64 package facilitates dense PCB layouts.

Replacement Considerations

Consult official datasheets for cross-referencing with other SAM3N series parts. Verify pin compatibility and memory size differences before substituting with similar models from the same manufacturer.